The Grandstream HT802 offers routing capabilities, allowing users to connect their analog telephone devices to a managed and powerful VoIP network. It features two easy-to-use FXS ports, encryption with a unique security certificate per device, automated provisioning for mass deployment and management.

• Supports two SIP profiles through two FXS ports and one 10/100Mbps auto-sensing RJ45 Ethernet port. 
• TLS and SRTP encryption technology for call and account protection. 
• Automated provisioning options, including TR-069 and XML configuration files. 
• Supports three-way conferencing. The SIP server automatically redirects to the secondary server if the main one loses connection. 
• Use it with Grandstream's UCM IP PBX series for Zero Configuration provisioning. 
• Supports advanced telephony features such as call transfer, call forwarding, call waiting, do not disturb, message waiting indication, multilingual prompts, flexible dial plan, and more. 
• LED indicators: Power, Internet, phone 1, phone 2. Factory reset button. 
• Caller ID display or block, call waiting, flash, blind or attended transfer, forwarding, hold, do not disturb, three-way conferencing. 
• Voice codecs: G.711 with Annex I (PLC) and Annex II (VAD/CNG), G.723.1, G.729A/B, G.726, iLBC, OPUS, dynamic jitter buffer, advanced line echo cancellation. 
• Fax over IP: Compliant with T.38 Group 3 Fax relay up to 14.4 kbps and auto-switch to G.711 for Fax pass-through. 
• Short/long ring load distance: 5 REN: up to 1 km at 24 AWG. 
• Supports a wide range of caller ID formats: Bellcore Type 1 and 2, ETSI, BT, NTT, and DTMF-based CID. 
• Disconnect methods: Busy tone, polarity reversal/lock, loop current. 
• Network protocols: TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, STUN, SIP (RFC3261), SIP over TCP/TLS, SRTP, TR-069. QoS: Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, DiffServ, MPLS). DTMF method: In-audio, RFC2833 and/or SIP INFO. 
• Provisioning and control: HTTP, HTTPS, SSH, TFTP, TR-069, secure and automated provisioning with AES encryption, syslog. 
• Media: SRTP. 
• Control: TLS/SIPS/HTTPS.
• Management: Syslog support, SSH, remote management via web browser.
•  Dimensions: 100 x 100 x 29.5 mm. 
• Weight: 114 gr.